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Black Sands, HI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Black Sands, a community in Hawaii County, Hawaii.

Overnight
71°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 71. North wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

7-day forecast for Black Sands

WhenTempForecastWindPrecip
Overnight 71°F Scattered Rain Showers 14 mph N 30%
Saturday 78°F Isolated Rain Showers 17 mph NNE 22%
Saturday Night 72°F Scattered Rain Showers 14 mph NNE 32%
Sunday 80°F Isolated Rain Showers then Mostly Sunny 18 mph NE 20%
Sunday Night 72°F Scattered Rain Showers 17 mph NNE 42%
Monday 80°F Scattered Rain Showers 17 mph NNE 42%
Monday Night 72°F Occasional Rain Showers 14 mph N 77%
Tuesday 79°F Occasional Rain Showers 16 mph NNE 76%
Tuesday Night 72°F Chance Rain Showers 14 mph N 68%
Wednesday 78°F Chance Rain Showers 14 mph NE 62%
Wednesday Night 72°F Chance Rain Showers 13 mph NNE 64%
Thursday 77°F Chance Rain Showers 12 mph NNE 60%
Thursday Night 71°F Scattered Rain Showers 18 mph NNE 50%
Friday 77°F Scattered Rain Showers 14 to 17 mph ENE 41%

Forecast source: National Weather Service (api.weather.gov) for Black Sands (19.414, -154.959). Updated through the day.

Growing snapshot for Black Sands

Growing season
365 days

More local growing data for Black Sands: nearby ZIP 96778 weather · frost dates · planting calendar · Hawaii frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Glenwood #2 55.4, Hi (7.2 mi from Black Sands). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.